external image vnd.ms-powerpoint.png Acid Mine Drainage.ppt

Questions:
Multiple choice:

  1. To form sulfuric acid (ADM) what two things have to react?
    1. Water and sunlight
    2. Oxygen and sunlight
    3. Oxygen and water
    4. None of the above
  2. What causes AMD?
    1. contamination of iron sulfide
    2. contamination of oxygen levels
    3. abandoned coal mines
    4. lack of chemicals
    5. both a and c
  3. The orange/yellow discoloration of streams is also known as…
    1. orange top
    2. yellow boy
    3. red stream
    4. all of the above
  4. All of the following are true except…
    1. Acid mine drainage does not have negative effects on stream ecosystems
    2. Costs of treatment are more than 67 million a year in PA alone
    3. 3,000 miles worth of streams in PA are contaminated
    4. South Dakota has the most extensive amount of contamination
    5. Both a and d
  5. Adding chemicals such as lime and soda ash are a treatment method used in what?
    1. passive treatment
    2. it is not a treatment method
    3. counteractive treatment
    4. active treatment
    5. none of the above
Short answer:
Explain the two types of treatment for Acid Mine Drainage and give at least one pro and con for each.